Van Heurck -- Synopsis des Diatomées de Belgique -- Index
| Orthoneis | binotata Grunow | Page -- | Plate 28 | Figure 7 | |
| Orthoneis | clevei Grunow | Page -- | Plate 28 | Figure 4 | |
| Orthoneis | cribrosa Grunow = Mastogloia cribrosa Grunow | Page -- | Plate 28 | Figure 6 | |
| Orthoneis | fimbriata (Brightw.) Grunow | Page -- | Plate 28 | Figure 3 | |
| Orthoneis | ovata Grunow = Mastogloia ovata Grunow | Page -- | Plate 28 | Figure 5 | |
| Orthoneis | splendida (W.Greg.) Grunow | Page -- | Plate 28 | Figure 1,2 |